4n48

X-ray diffraction
2.7Å resolution

Cap-specific mRNA (nucleoside-2'-O-)-methyltransferase 1 Protein in complex with capped RNA fragment

Released:

Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + a 5'-(N(7)-methyl 5'-triphosphoguanosine)-(ribonucleotide)-[mRNA] = S-adenosyl-L-homocysteine + a 5'-(N(7)-methyl 5'-triphosphoguanosine)-(2'-O-methyl-ribonucleotide)-[mRNA]
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-185358 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
Cap-specific mRNA (nucleoside-2'-O-)-methyltransferase 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 428 amino acids
Theoretical weight: 48.94 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8N1G2 (Residues: 126-550; Coverage: 51%)
Gene names: CMTR1, FTSJD2, KIAA0082, MTR1
Sequence domains: FtsJ-like methyltransferase
Structure domains: Rossmann fold
capped RNA Chains: D, G
Molecule details ›
Chains: D, G
Length: 4 nucleotides
Theoretical weight: 1.24 KDa
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments


Cofactor: Ligand SAM 2 x SAM
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.1
Spacegroup: P1
Unit cell:
a: 52.209Å b: 60.038Å c: 87.045Å
α: 90.23° β: 97.83° γ: 116.25°
R-values:
R R work R free
0.185 0.182 0.242
Expression systems:
  • Escherichia coli
  • Not provided